Home / 5,409.06-7,464.51-2,986.42

Finding the Fourth Proportional to 5,409.06, 7,464.51 and 2,986.42

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Solution

The fourth proportional to 5,409.06, 7,464.51 and 2,986.42 is: 4,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.06 : 7,464.51 = 2,986.42 : x
  2. Step 2: Convert to fraction form
    5,409.06/7,464.51 = 2,986.42/x
  3. Step 3: Cross multiply
    5,409.06x = 7,464.51 × 2,986.42
  4. Step 4: Simplify right side
    5,409.06x = 22,292,147.02
  5. Step 5: Solve for x
    x = 22,292,147.02/5,409.06
  6. Step 6: Final answer
    x = 4,121.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.